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A model management system (MMS) is one component of a generalized decision support system (DSS) architecture which provides for the creation, storage, manipulation and access of models. Several significant research opportunities exist concerning artificial intelligence application for MMS to enhance its major functions. Thus, here the existing literature is surveyed and categorized based its treatment of model representation and model manipulation functions. With increasing use of DSSs by industrial engineers, it is time for industrial engineers to examine what is currently happening in this important area of information technology.

Most group problems are complex and unstructured and are difficult to find solutions. GDSS, systems for group decision making support, have more concentrated on the development of technological factor such as communication support, electronic meeting support, etc. And there have been relatively few researches about group problem modeling and group decision-aid. We cannot guarantee the value of GDSS just with the support in technological basis. The AHP has been suggested as an group problem modeling tool. In this paper authors applied AHP in real world group problems, investigated its value, and suggested the elements of GDSS software. Keywords: GDSS(Group Decision Support Systems), DSS(Decision Support Systems), AHP(Analytic Hierarchy Process)

The primary goal of this research is to test the technical feasibility of the computer system that POSCO's engineering department plans to develop, by building its prototype. The prototype consists of a CAD system, document editor, scanner, character recognition program, graphic/image editors, document management system on an object–oriented database system, and mass storage. It is implemented on a client–server environment which includes Unix workstations for the CAD system, document management, and mass storage, and personal computers with MS Windows for editing document and graph/image files. Through the prototype, we have shown how the computer system can be effectively built. We have also demonstrated that the current manual process of document preparation can be vastly expedited by automating search, retrieval, and editing of data and documents. Another goal of the research is to propose a way to exchange CAD data among heterogeneous CAD systems in the Pohang and Kwang–yang steelworks. We have investigated several file exchange formats available such as IGES, DXF, DWG, and STEP. Presently, IGES appears to be the best candidate. In the future, however, STEP set by ISO will have to be adopted. We have also considered several aspects, such as document management and file compression, in exchanging engineering data over communication networks.